Gecko [ fernandoquevedodop.com ]

Name	Size	Permission
adapters	[ DIR ]	drwxr-xr-x
transformer	[ DIR ]	drwxr-xr-x
builder.rb	2.47 KB	-rw-r--r--
cache.rb	2.77 KB	-rw-r--r--
expires.rb	2.29 KB	-rw-r--r--
lock.rb	467 B	-rw-r--r--
logger.rb	1.83 KB	-rw-r--r--
mixins.rb	9.72 KB	-rw-r--r--
optionmerger.rb	1.3 KB	-rw-r--r--
pool.rb	1.36 KB	-rw-r--r--
proxy.rb	2.71 KB	-rw-r--r--
server.rb	3.3 KB	-rw-r--r--
shared.rb	1.64 KB	-rw-r--r--
stack.rb	2.36 KB	-rw-r--r--
synchronize.rb	3.07 KB	-rw-r--r--
transformer.rb	7.58 KB	-rw-r--r--
utils.rb	584 B	-rw-r--r--
version.rb	80 B	-rw-r--r--
weak.rb	949 B	-rw-r--r--
wrapper.rb	1.05 KB	-rw-r--r--

Code Editor : expires.rb

module Moneta
  # Adds expiration support to the underlying store
  #
  # `#store`, `#load` and `#key?` support the `:expires` option to set/update
  # the expiration time.
  #
  # @api public
  class Expires < Proxy
    include ExpiresSupport

# @param [Moneta store] adapter The underlying store
    # @param [Hash] options
    # @option options [String] :expires Default expiration time
    def initialize(adapter, options = {})
      raise 'Store already supports feature :expires' if adapter.supports?(:expires)
      super
      self.default_expires = options[:expires]
    end

# (see Proxy#key?)
    def key?(key, options = {})
      # Transformer might raise exception
      load_entry(key, options) != nil
    rescue Exception
      super(key, Utils.without(options, :expires))
    end

# (see Proxy#load)
    def load(key, options = {})
      return super if options.include?(:raw)
      value, expires = load_entry(key, options)
      value
    end

# (see Proxy#store)
    def store(key, value, options = {})
      return super if options.include?(:raw)
      expires = expires_at(options)
      super(key, new_entry(value, expires), Utils.without(options, :expires))
      value
    end

# (see Proxy#delete)
    def delete(key, options = {})
      return super if options.include?(:raw)
      value, expires = super
      value if !expires || Time.now.to_i <= expires
    end

# (see Proxy#store)
    def create(key, value, options = {})
      return super if options.include?(:raw)
      expires = expires_at(options)
      @adapter.create(key, new_entry(value, expires), Utils.without(options, :expires))
    end

private

def load_entry(key, options)
      new_expires = expires_at(options, nil)
      options = Utils.without(options, :expires)
      entry = @adapter.load(key, options)
      if entry != nil
        value, expires = entry
        if expires && Time.now.to_i > expires
          delete(key)
          nil
        elsif new_expires != nil
          @adapter.store(key, new_entry(value, new_expires), options)
          entry
        else
          entry
        end
      end
    end

def new_entry(value, expires)
      if expires
        [value, expires.to_i]
      elsif Array === value || value == nil
        [value]
      else
        value
      end
    end
  end
end

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Code Editor : expires.rb